Hi Qais, [auto build test ERROR on tip/irq/core] [also build test ERROR on v4.4-rc4 next-20151208] url: https://github.com/0day-ci/linux/commits/Qais-Yousef/Implement-generic-IPI-support-mechanism/20151208-212743 config: mips-malta_defconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All errors (new ones prefixed by >>): arch/mips/kernel/smp.c: In function 'mips_smp_ipi_init': >> arch/mips/kernel/smp.c:245:9: error: implicit declaration of function 'of_irq_find_parent' [-Werror=implicit-function-declaration] node = of_irq_find_parent(of_root); ^ arch/mips/kernel/smp.c:245:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] node = of_irq_find_parent(of_root); ^ cc1: some warnings being treated as errors -- arch/mips/kernel/smp-gic.c: In function 'gic_send_ipi_single': >> arch/mips/kernel/smp-gic.c:34:10: error: implicit declaration of function 'plat_ipi_call_int_xlate' [-Werror=implicit-function-declaration] intr = plat_ipi_call_int_xlate(cpu); ^ >> arch/mips/kernel/smp-gic.c:38:10: error: implicit declaration of function 'plat_ipi_resched_int_xlate' [-Werror=implicit-function-declaration] intr = plat_ipi_resched_int_xlate(cpu); ^ >> arch/mips/kernel/smp-gic.c:45:2: error: implicit declaration of function 'gic_send_ipi' [-Werror=implicit-function-declaration] gic_send_ipi(intr); ^ cc1: some warnings being treated as errors vim +/plat_ipi_call_int_xlate +34 arch/mips/kernel/smp-gic.c 72e20142 Paul Burton 2014-01-15 28 smp_processor_id(), __func__, cpu, action, read_c0_status()); 72e20142 Paul Burton 2014-01-15 29 72e20142 Paul Burton 2014-01-15 30 local_irq_save(flags); 72e20142 Paul Burton 2014-01-15 31 72e20142 Paul Burton 2014-01-15 32 switch (action) { 72e20142 Paul Burton 2014-01-15 33 case SMP_CALL_FUNCTION: 72e20142 Paul Burton 2014-01-15 @34 intr = plat_ipi_call_int_xlate(cpu); 72e20142 Paul Burton 2014-01-15 35 break; 72e20142 Paul Burton 2014-01-15 36 72e20142 Paul Burton 2014-01-15 37 case SMP_RESCHEDULE_YOURSELF: 72e20142 Paul Burton 2014-01-15 @38 intr = plat_ipi_resched_int_xlate(cpu); 72e20142 Paul Burton 2014-01-15 39 break; 72e20142 Paul Burton 2014-01-15 40 72e20142 Paul Burton 2014-01-15 41 default: 72e20142 Paul Burton 2014-01-15 42 BUG(); 72e20142 Paul Burton 2014-01-15 43 } 72e20142 Paul Burton 2014-01-15 44 72e20142 Paul Burton 2014-01-15 @45 gic_send_ipi(intr); d0508944 Paul Burton 2014-04-14 46 d0508944 Paul Burton 2014-04-14 47 if (mips_cpc_present() && (core != current_cpu_data.core)) { d0508944 Paul Burton 2014-04-14 48 while (!cpumask_test_cpu(cpu, &cpu_coherent_mask)) { :::::: The code at line 34 was first introduced by commit :::::: 72e20142b2bf4cf1c3071e6cf49d01f55f2e1e53 MIPS: Move GIC IPI functions out of smp-cmp.c :::::: TO: Paul Burton <paul.burton@xxxxxxxxxx> :::::: CC: Ralf Baechle <ralf@xxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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